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Fatardho Zudri
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Jl. Meranti, Kampus IPB Dramaga, Bogor 16680
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Kota bogor,
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INDONESIA
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
ISSN : 20852916     EISSN : 23373652     DOI : -
Aims and Scope Aims Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia), the official journal of the Indonesian Society for Agronomy, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of agronomy. Manuscripts could be written either in English or in Indonesia. Scope Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia) covers agronomy in broad sense including plant production, genetic and plant breeding, plant physiology, plant ecology, plant biotechnology, modeling, seed science and technology and weeds science on food, horticulture, plantation, and forage crops.
Articles 971 Documents
Seleksi Simultan Karakter Daun Mengering dan Produktivitas pada Galur-galur Padi Wening, Rina Hapsari; Purwoko, Bambang Sapta; Suwarno, Willy Bayuardi; Rumanti, Indrastuti Apri; Khumaida, Nurul
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (569.772 KB) | DOI: 10.24831/jai.v47i3.26076

Abstract

Drought is an important constraint for rice production in rainfed lowland and shallow freshwater swamp. The area often experiences drought stress at the generative stage of the plants. This study aimed at selecting adaptive lines to terminal drought and formulating a multiple regression model to estimate the productivity under drought stress conditions at the generative stage. The experiment was conducted in a greenhouse of the Indonesian Center for Rice Research, Subang, West Java, using an augmented design with five blocks. The genetic material used was ninety-nine lines and four checks varieties, namely Inpari 30, Limboto, Salumpikit, and IR 20. The model was formulated using stepwise regression analysis. Based on this study, ten lines were adapted to drought stress at the generative stage, namely B13983E-KA-12-2, B13926E-KA-13, B13507E-MR-19, B14366E-KY-50, B14366E-KY-37, IR86384- 46-3-1-B, BP20452e-PWK-0-SKI-1-1, BP20452e-PWK-0-SKI-2-4, BP20452e-PWK-0-SKI-3-3, and BP29790d-PWK-3 -SKI-1-5. The B13507E-MR-19 had the highest productivity (4.02 ton ha-1) under drought stress conditions. Yield under drought stress in the greenhouse could be predicted using a linear regression model involving plant height at early vegetative stage, plant height up to the panicle, tiller number at early vegetative stage, tiller number at late vegetative stage, tiller number at flowering, heading time, number of filled grain, and panicle exsertion length. This model was able to explain 75.92% of yield variation. Potential rice lines and the regression model obtained are expected to contribute to the development of rice varieties adaptive to drought. Keywords: drought tolerant, freshwater swamp, rainfed, regression model
Interaksi Genotipe x Lingkungan pada Morfologi Malai Galur-galur Padi (Oryza sativa L.) Bermalai Lebat Jayaningsih, Elvita Dwi; Suwarno, Willy Bayuardi; Nindita, Anggi; Aswidinnoor, Hajrial
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (719.498 KB) | DOI: 10.24831/jai.v47i3.26104

Abstract

Breeding rice for heavy panicle is prospective to improve production. However, the information on genotype x environment interaction (GxE) of rice panicle morphology is limited. This study was aimed to evaluate the GxE interaction on panicle morphology of heavy panicle rice (Oryza sativa L.) genotypes. The experiments were conducted in four environmental conditions. The research was conducted from December 2017 to May 2019 at the Department of Agronomy and Horticulture, IPB University, using 24 genotypes (F5-F6 generation) with 6 check varieties. The experimental design was an augmented design (3 replicates of check). Analysis of variance showed that GxE interaction effects were significant on the panicle length, number of axis nodes, primary branches number, secondary branches number, tertiary branches number, number of grains per panicle, and grain density per primary branch. The results showed that the two environments in the rainy season produced higher primary branches number, secondary branches number, tertiary branches number, number of grain per panicle, and grain density per primary branch than the two environments in the dry season. Correlation and path analyses showed that panicle length, number of secondary branches, and grain density per primary branch had a significant and direct positive effect on the number of grains per panicle. Keywords: primary branches, panicle length, secondary branches, tertiary branches
Pertumbuhan dan Perkembangan Ubi Kayu Genotipe Lokal Manggu pada Panjang Setek Batang yang Berbeda Nurul Khumaida; Siswati, Leni; Ardie, Sintho Wahyuning
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (576.116 KB) | DOI: 10.24831/jai.v47i3.26610

Abstract

Cassava plant is widely cultivated by Indonesian people. Research on the development of roots and tubers of cassava is still limited. The purpose of this study was to evaluate the effect of stem cut size on the root development system and tuber filling in the cassava local genotype “Manggu”. This study consisted of two experiments namely experiments in polybag and in the field. The study was conducted in the IPB experimental field at Cikabayan in December 2017-July 2018. The experiment used a randomized completely block design (RCBD) with two treatments and three replications, namely cuttings of 15 cm and 30 cm. Observation of basal roots, number of nodal roots, length of basal roots, length of nodal roots, number of tubers, number of leaves, plant diameter, and plant height were carried out destructively every week. The results showed that the root bulking process occurred in the nodal root and basal roots and it was observed since 5 WAP. The results showed a positive correlation between the total number of tubers and the number of tubers formed from nodal and basal roots, the number of basal roots, and the length of basal roots and it was negatively correlated with the number of leaves. The number of tubers from nodal roots is positively correlated with the number of basal root tubers while it is negatively correlated with the length of the nodal root. The development of roots into cassava tubers occurred since 5 WAP. Cutting size treatments significantly did not affect root development. Keywords: basal root, nodal root, stem cutting, stem length
Identifikasi Spesies Tanaman Penutup Tanah pada Perkebunan Kelapa Sawit Menghasilkan Suryana; Chozin, Muhamad Achmad; Guntoro, Dwi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.13 KB) | DOI: 10.24831/jai.v47i3.26980

Abstract

The study aimed to identify the types of plants suitable for cover crops on mature oil palm. The study was started by conducting microclimate measurements and vegetation analysis in a mature oil palm ecosystem with plant subjects consisting of 5 years and 10 years old plants. The measurements and analysis were carried out in August 2018 to select suitable plant samples. The research was continued by planting 6 selected plants under the shade of 0, 25, 50, and 75% using nested design to determine the responses of plant samples to various levels of shading from September 2018 to April 2019 at the Cikaawang IPB Experimental Field. The results of microclimate analysis in 5-year-old mature oil palm in Jonggol shows the light intensity of 1094.7 lux with a temperature of 28.5 oC and humidity of 68.76%, while a 10-year-old mature oil palm in Cikabayan had a light intensity of 997.8 lux with a temperature of 32.5 oC and humidity of 87.25%. The species of Asystasia gangentica, Axonopus compressus, Borreria alata, and Ottochloa nodosa were the dominant plant vegetation in two ecosystems. Asystasia gangentica was able to grow and optimally cover the area at all shading levels, while Axonopus compressus, Borreria alata, and Ottochloa nodosa can only grow and cover the area optimally at 0% and 25% and 50% shade, respectively. Keywords: micro climate, response of plant species, vegetation analysis
Peningkatan Komponen Hasil dan Mutu Benih Dua Varietas Okra melalui Penjarangan Buah Perwira, Prajna Jaya; Suharsi, Tatiek Kartika; Syukur, Muhamad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (348.557 KB) | DOI: 10.24831/jai.v47i3.27196

Abstract

The fruit thinning treatment is known to be able to improve seed quality. This research aimed to increase the yield component and seed quality on two okra varieties (Naila and Zahira) through fruit thinning. This experiment was conducted in May until September 2018 at the Leuwikopo IPB Field, Postharvest Laboratory, and Seed Testing Laboratory, Department of Agronomy and Horticulture, Faculty of Agriculture, Bogor Agricultural University. This experiment conducted using the two-factors nested design, which is a fruit thinning factor as subplots consisting of five levels and okra varieties consisting of two levels. The results showed that the fruit thinning factor influenced the parameters of yield components (fruit length and weight per fruit) and 1,000 seeds weight. The variety factor influenced most of the yield component parameters and seed quality in okra plants. The thinning treatment of the first two fruits and elimination of one fruit interval resulted in the highest physical quality of seed based on 1,000 seeds weight (67.99 g). Keywords: 1,000 seed weight, physical quality
Efektivitas Metode Seleksi Pedigree dan Modified Bulk pada Tiga Populasi Sorgum (Sorghum bicolor [L.] Moench) Dewi Andriani; Desta Wirnas; Trikoesoemaningtyas
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (581.14 KB) | DOI: 10.24831/jai.v47i3.27661

Abstract

Sorghum has a growing popularity for food, feed, biofuel, and therefore needs to be developed. The research aimed to compare the effectiveness of pedigree and modified bulk selection methods for improving yield in three sorghum populations. The genetic materials used were 60 F6 lines from three populations, namely PI 10-90-A x Numbu, PI 150-20-A x Numbu and PI 150-20-A x Kawali which had been selected using pedigree and modified bulk methods. The experiment was conducted from October 2018 to February 2019 at the Cikabayan Experimental Station of IPB University, Dramaga, Bogor. The experiment was arranged in an augmented design with six checks, namely Kawali, Numbu, PI 10-90-A, PI 150-20-A, Samurai 1, and Samurai 2 which were replicated four times. Observations were made on agronomic traits and yield. Plant height and grain weight per panicle had high heritability and large genotypic coefficients of variation. The contrast test results showed significant differences between populations in plant height, panicle length, days of harvesting and 100-seed weight. On the other hand, no significant difference was observed among selection methods, indicating that both methods were equally effective for increasing sorghum yield. The pedigree selection and modified bulk selection increased grain yield per panicle by 14.1 g and 18.2 g respectively. Bulk of the best genotypes in early generation could be an alternative of bulk selection method. Keywords: contrast test, differential selection, genotypic coefficient of variation, heritability
Pengaruh Penggantian Pupuk Anorganik dengan Pupuk Kandang terhadap Pertumbuhan, Produksi dan Daya Simpan pada Umbi Bawang Merah Romdoni, Arif; Suwarto, Suwarto; Maharijaya, Awang; Yuliani, Titiek
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (468.951 KB) | DOI: 10.24831/jai.v47i3.27847

Abstract

Excessive use of inorganic fertilizers is suspected to be the cause of low productivity and poor bulb storability that reduced their use. Goat manure organic fertilizer (GMOF) can be an alternative in reducing the use of these inorganic fertilizers. The study was conducted in March to June 2019 in the shallot field at Sukorejo Village, Rejoso District, Nganjuk Regency, East Java. The research aims to determine the dose of inorganic fertilizer which can be reduced by adding goat manure to increase the growth and production of shallot bulbs. This experiment used 2 factors, namely manure consisting of 2 levels (0 and 10 tons ha-1) and inorganic fertilizer consisting of 5 levels (0, 25, 50, 75, and 100% inorganic fertilizer reference dose). The treatment was repeated 4 times so that there were 40 experimental plots with a size of 2 m x 4 m, using Super Philip variety. The addition of 10 tons ha-1 of GMOF to shallot cultivation in Nganjuk Regency could reduce the use of inorganic fertilizer to 50%. Keywords: goat manure, nutrient uptake, organic, Super Philip
Produksi Kacang Tunggak (Vigna unguiculata [L.] Walp) dengan Input Pupuk Rendah Fadillah, Resti; Purnamawati, Heni; Supijatno
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 1 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (429.077 KB) | DOI: 10.24831/jai.v48i1.27597

Abstract

Kacang tunggak memiliki prospek sebagai pengganti kedelai, sebagai bahan baku tempe. Perlu dikaji pemupukan dosis rendah pada produksi kacang tunggak. Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi pupuk kandang dan Nitrogen terhadap pertumbuhan dan produksi tanaman kacang tunggak. Penelitian dilakukan di Kebun Percobaan Cikabayan, Institut Pertanian Bogor, pada bulan Novemeber 2018-Maret 2019, dengan menggunakan rancangan split plot. Petak utama aplikasi pupuk kandang kambing terdiri dari tiga taraf yaitu 0, 2.5, dan 5 ton ha-1. Anak petak terdiri atas empat taraf yaitu 0, 15, 30, dan 45 kg pupuk N ha-1. Hasil penelitian menunjukkan pemberian pupuk kandang meningkatkan bobot segar daun, jumlah tandan bunga, pada 5 minggu setelah tanam (MST). Pemberian nitrogen meningkatkan bobot segar daun, indeks luas daun, bobot segar akar dan jumlah bunga pada 5 MST. Kombinasi pemberian pupuk organik dengan dosis 2.5 ton ha-1 dan pupuk nitrogen 45 kg ha-1 memberikan pertumbuhan dan produksi yang cenderung lebih baik daripada tanpa pemupukan. Dengan demikian kacang tunggak dapat diproduksi dengan input pupuk kandang dan N yang rendah. Kata kunci: bobot segar daun, indeks luas daun, tandan bunga
Kelimpahan Vegetasi dan Simpanan Biji Gulma pada Pertanaman Jagung Berbeda Sejarah Pola Tanam di Lahan Kering Kefi, Andreas; Guntoro, Dwi; Santosa, Edi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 1 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (861.525 KB) | DOI: 10.24831/jai.v48i1.28383

Abstract

Weed management is an important aspect in the dry land; however, weed resides in dry land like East Nusa Tenggara is rarely reported. The study aimed to evaluate weed species and its seed bank on maize fields from the different history of cropping patterns in order to develop effective weed control. The research was conducted in April-June 2019 at farmer fields at Kupang District, East Nusa Tenggara, Indonesia. Weeds were evaluated from four maize fields experienced a different history of cropping pattern (L1, L2, L3, and L4), and its seed bank from the depth of 0-10, 11-20, 21-30, and 31-40 cm were evaluated using seedling emergence method. The evaluation revealed 13 species at which 4 species exclusively were found in vegetation analysis, 2 species in the seed bank and 7 species in both vegetation and seed bank analysis. Dominant weed at podzolic L2 and L3 that experienced fallow for two months was Chloris barbata, while without fallow of podzolic L1 and grumusol L4 were Digitaria adscendens and Mazus japonicus, respectively. Cropping history and soil depths affected weed density, but depths of 0-20 cm had the highest density irrespective preceding the cropping pattern. Research implies both vegetation and seed bank analysis should be addressed and integrated in weed management. Keywords: dry land, fallow, weed management, East Nusa Tenggara, vegetation analysis
Respon Pertumbuhan dan Pembungaan Bunga Lisptik ‘Soedjana Kasan’ terhadap Aplikasi GA3, Etefon, dan Paklobutrazol Damayanti, Frisca; Rahayu, Sri; Wardani, Fitri Fatma
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 1 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (581.265 KB) | DOI: 10.24831/jai.v48i1.29141

Abstract

Aeschynanthus ‘Soedjana Kasan’ atau bunga lipstik ‘Soeka’ adalah varietas baru hasil persilangan antara dua spesies bunga lipstik yaitu Aeschynanthus radicans Jack. dan Aeschynanthus tricolor Hook. Tanaman ini memiliki kelemahan yaitu berbunga setahun sekali dan bunganya cepat rontok. Tujuan dari penelitian ini adalah mengetahui pengaruh berbagai konsentrasi giberelin (GA3), etefon, dan paklobutrazol terhadap pertumbuhan dan pembungaan bunga lipstik ‘Soeka’. Rancangan percobaan yang digunakan adalah rancangan acak lengkap dengan sembilan perlakuan, yaitu GA3 50 ppm, GA3 100 ppm, GA3 150 ppm, etefon 50 ppm, etefon 100 ppm, paklobutrazol 50 ppm, paklobutrazol 100 ppm, dan paklobutrazol 150 ppm yang diaplikasikan pada tanaman berumur 4 minggu serta tanpa perlakuan ZPT sebagai kontrol. Setiap perlakuan diulang 5 kali sehingga terdapat 45 satuan percobaan. Masing-masing satuan percobaan terdiri dari satu pot berisi lima stek tanaman. Hasil menunjukkan bahwa pertambahan jumlah cabang terbanyak didapatkan pada tanaman dengan aplikasi GA3 150 ppm, sedangkan untuk pertambahan jumlah daun dan panjang cabang, aplikasi ZPT tidak berpengaruh nyata. Ruas batang bunga lipstik memendek dengan aplikasi etefon dan memanjang dengan aplikasi GA3 dan paklobutrazol. Waktu inisiasi tercepat adalah aplikasi etefon 50 dan 100 ppm yaitu 1 sampai 2 minggu setelah aplikasi. Aplikasi paklobutrazol 100 ppm menghasilkan jumlah bunga terbanyak dan bunga yang dihasilkan dapat bertahan hingga menjadi buah. Kata kunci: Aeschynanthus, pembungaan, pertumbuhan, tanaman hias, zat pengatur tumbuh

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